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cot(tan^(- 1)x+cot^(- 1)x)...

`cot(tan^(- 1)x+cot^(- 1)x)`

A

1

B

`1/2`

C

0

D

none of these

Text Solution

Verified by Experts

The correct Answer is:
C
Given exp. `=cotpi/2=0`.
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